<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" 
          clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- table表格区 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column label="商品属性" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="商品创建时间" prop="add_time">
            <template slot-scope="scope">
                {{scope.row.add_time | dateFormat}}
            </template>
        </el-table-column>
        <el-table-column label="操作">
            <template slot-scope="scope">
                <el-button size="mini" type="primary" icon="el-icon-edit">编辑</el-button>
                <el-button size="mini" type="danger" icon="el-icon-delete"
                @click="removeById(scope.row.goods_id)">删除</el-button>
            </template>
        </el-table-column>
      </el-table>

      <!-- 分页区 -->
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      //总数据条数
      total: 0
    }
  },

  created() {
    this.getGoodsList()
  },

  methods: {
    //根据分页获取对应的商品
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      this.$message.success('获取商品列表成功')
      console.log(res)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    //分页
    handleSizeChange(newSize){
        this.queryInfo.pagesize=newSize
        this.getGoodsList()
    },
    //分页
    handleCurrentChange(newPage){
        this.queryInfo.pagenum=newPage
        this.getGoodsList()
    },
    //根据id删除商品
    async removeById(id){
        const confireResult=await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)

        if(confireResult !='confirm'){
            return this.$message.info('已取消删除！')
        }

        const {data:res}=await this.$http.delete(`goods/${id}`)
        if(res.meta.status!==200){
            return this.$message.error('删除失败')
        }
        this.$message.success('删除成功')
        this.getGoodsList()
    },
    goAddpage(){
        this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped></style>
